<template>
<div>
  <li @mouseenter="onMouseEnter(true)" @mouseleave="onMouseEnter(false)" :style="{background: bgColor}">
    <label>
      <input type="checkbox" v-model="item.complete"/>
      <span>{{item.text}}</span>
    </label>
    <button class="btn btn-danger" v-show="isShow" @click="removeItem(index)">删除</button>
  </li>
</div>
</template>

<script>
export default {
  name: 'Item',
  components: {},
  props: {
    item : Object,
    index: Number,
    removeItem: Function
  },
  data() {
    return {
      bgColor: '#fff',
      isShow: false
    }
  },
  methods: {
    onMouseEnter(isEnter) {
      if(isEnter) {
        this.bgColor = '#aaa'
        this.isShow = true
      } else {
        this.bgColor='#fff'
        this.isShow = false
      }
    }
  }
}
</script>

<style scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}

</style>
